Finding the Fourth Proportional to 88,636.84, 122,319.73 and 48,351.46
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Solution
The fourth proportional to 88,636.84, 122,319.73 and 48,351.46 is: 66,725.49
Step by Step Solution
- Step 1: Write the proportion equation
88,636.84 : 122,319.73 = 48,351.46 : x - Step 2: Convert to fraction form
88,636.84/122,319.73 = 48,351.46/x - Step 3: Cross multiply
88,636.84x = 122,319.73 × 48,351.46 - Step 4: Simplify right side
88,636.84x = 5,914,337,240.27 - Step 5: Solve for x
x = 5,914,337,240.27/88,636.84 - Step 6: Final answer
x = 66,725.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.